Question

The no. of gm-atoms containing 2x1023 atoms of Na is:
(a) 0.33
(b) 3.3
(c) 33​

Answer 1

Answer:

No of gram atom= no of moles.

No of moles=given no of molecules/NA

=2×10²³/6.022×10²³

=1/3 mole.

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